/// <summary>
/// Creates a <see cref="IapPurchaseDocument" /> from a <see cref="IapPurchaseContract" />.
/// </summary>
/// <returns>The <see cref="IapPurchaseDocument" />.</returns>
public static IapPurchaseDocument CreateFromContract(IapPurchaseContract contract)
{
return new IapPurchaseDocument
{
Id = contract.IapPurchaseId,
UserId = contract.UserId,
ProductId = contract.ProductId,
PurchaseDatetime = new DateDocument
{
Date = contract.PurchaseDatetime
},
ExpirationDatetime = new DateDocument
{
Date = contract.ExpirationDatetime
},
GoldIncrement = contract.GoldIncrement
};
}
/// <summary>
/// Validates the xml signature.
/// </summary>
/// <param name="receipt">Receipt to validate.</param>
/// <returns>A validated or null IapPurchaseContract object.</returns>
public IapPurchaseContract ValidateXmlSignature(XmlDocument receipt)
{
if (receipt == null)
{
throw new IapValidationException(IapValidationError.NoReceipt, "ValidateXmlSignature: no receipt");
}
var iapPurchaseResult = new IapPurchaseContract();
// For actual receipt validation we strongly suggest you follow the example
// https://code.msdn.microsoft.com/windowsapps/In-app-purchase-receipt-c3e0bce4
var isValid = true;
if (isValid)
{
DateTime datetime;
var productReceipt = receipt.GetElementsByTagName("ProductReceipt");
if (DateTime.TryParse(productReceipt[0].Attributes["PurchaseDate"].Value, out datetime))
{
iapPurchaseResult.PurchaseDatetime = datetime;
}
if (DateTime.TryParse(productReceipt[0].Attributes["ExpirationDate"].Value, out datetime))
{
iapPurchaseResult.ExpirationDatetime = datetime;
}
iapPurchaseResult.IapPurchaseId = productReceipt[0].Attributes["Id"].Value;
iapPurchaseResult.ProductId = productReceipt[0].Attributes["ProductId"].Value;
}
else
{
throw new IapValidationException(IapValidationError.BadSignature,
"ValidateXmlSignature: Bad receipt, signature not valid");
}
return iapPurchaseResult;
}
/// <summary>
/// Inserts receipt and adds gold to user.
/// </summary>
/// <param name="validatedIapReciept">Validated receipt values.</param>
/// <returns>User object containing new gold balance.</returns>
public Task<UserContract> InsertIapPurchase(IapPurchaseContract validatedIapReciept)
{
return _repository.InsertIapPurchase(validatedIapReciept);
}
/// <summary>
/// Inserts receipt and adds gold to user.
/// </summary>
/// <param name="validatedIapReciept">Validated receipt values.</param>
/// <returns>User object containing new gold balance.</returns>
public async Task<UserContract> InsertIapPurchase(IapPurchaseContract validatedIapReciept)
{
var document = _documentClient.CreateDocumentQuery<IapPurchaseDocument>(DocumentCollectionUri)
.Where(d => d.DocumentType == IapPurchaseDocument.DocumentTypeIdentifier)
.Where(d => d.DocumentVersion == _currentDocumentVersion)
.Where(i => i.Id == validatedIapReciept.IapPurchaseId)
.AsEnumerable().FirstOrDefault();
if (document != null)
{
throw new DataLayerException(DataLayerError.DuplicateKeyInsert,
$"Iap Purchase with Id={validatedIapReciept.IapPurchaseId} already exists");
}
if (validatedIapReciept.GoldIncrement > 0)
{
// Handle gold balance changes and create transaction record
await
ExecuteGoldTransactionSproc(validatedIapReciept.UserId, SystemUserId,
validatedIapReciept.GoldIncrement,
GoldTransactionType.IapGoldTransaction);
}
var iapPurchaseDocument = IapPurchaseDocument.CreateFromContract(validatedIapReciept);
await _documentClient.CreateDocumentAsync(DocumentCollectionUri, iapPurchaseDocument);
return await GetUser(validatedIapReciept.UserId);
}
public Task<UserContract> InsertIapPurchase(IapPurchaseContract validatedIapReciept)
{
throw new NotImplementedException();
}
